Hepatobiliary

Question 1

Cheney
Ultrasound and CT for localizing hepatic masses
JSAP 2019

Answer 1

Correct predictions
~US 74%
~CT 84%

Sensitivity highest on LEFT

Question 2

Linden
Central division Hepatic Lobectomies
VetSurg 2019

Answer 2

Hilar resection
~increased intra-op complications
~increaed PO complications

Hemorrhage in 33%
most required transfusion

Mortality
~Peri-op 11%
~2 weeks 15%

HCC MST not reached
~ 1 year & 3 year 82%
margins did not affect survival time

Question 3

Scott
Lap cholecystectomy
VetSurg 2016

Answer 3

Conversion rate 30%
~inability to ligate
~Evidence of rupture
~leakage of the cystic duct
~cardiac arrest

1 reoperated for bile peritonitis

Question 4

Youn
Elective cholecystectomy
JAVMA 2018

Answer 4

Mortality 9%
2 vs 20%

Survival associated with
~decreased Alb
~increased ALT
~increased T. Bili

Question 5

Hattersley
Intra-op hypotension and cholecystectomy
JSAP 2020

Answer 5

Mortaility 17%
~b/f d/c 13%

Mortality associated with
~ileus
~hypoproteinemia
*ASA grade (on univarient)

Question 6

Parkanzley
Cholecystectomy vs. medical management
JVIM 2019

Answer 6

Survival times
~1802 d w/ Sx
~1340 d with medical management
~203 days with medical management followed by surgery

Decreased survival
~GB mucocele type
~ALKP
~Creat
~Phosph

Question 7

Wilson
Biliary Rupture on AUS
VetRadUS 2021

Answer 7

40% had normal T. bili

Rupture associated with
~Leukocytosis
~Neutrophilia

Question 8

Bargellini
Evaluation of contrast-enhanced US for GB necrosis
VetRadUS 2016

Answer 8

Contras-enhanced US 100% sens/spec

Conventional 75/81 s/s

Question 9

Piegols
Cholecystectomy for GB mucocele
VetSurg 2021

Answer 9

Catheterization
~PO pancreatitis
~higher ASA
~elevated T. bili
~Dilated CBD
~longer Sx Time

Question 10

Putterman
Normograde vs. Retrograded CBD catheterization
VetSurg 2021

Answer 10

Retrograde catheterization
~any PO complication
~persistent GI signs

No difference in survival

Tbili drop
~NG 71%
~RG 39%

Tbili increased
~NG 15%
~RG 38%

Diplomate decreased risk of complications

Question 11

Lobes of the canine liver

Answer 11

Right lateral
Right medial
Quadrate
Left medial
Left lateral
Caudate
-caudate
-papillary

Question 12

Biliary stent name

Answer 12

Cotton-Huibregtse polyethylene stent

Question 13

Blood supply to liver lobes

Answer 13

Right lateral branch

• Caudate
• Right lateral

Right middle branch

• Right medial lobe
• Dorsal Quadrate
• Part of left medial lobe

Left branch

• Left lateral lobe
• Part of the quadrate
• Left medial lobe
• cystic a.

Question 14

Coagulation factors not from liver

Answer 14

VIII

vWF